#B23F3D#B23F3D

#B23F3D is a mid, vivid red. Relative luminance 0.134; OKLCH L 52.9% C 0.150 H 24.7°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#B23F3D
RGB	rgb(178, 63, 61)
HSL	hsl(1, 49%, 47%)
HSV	hsv(1, 66%, 70%)
CMYK	cmyk(0%, 64.6%, 65.7%, 30.2%)
CIE-LAB	lab(43.30, 46.58, 26.61)
CIE-LCH	lch(43.30, 53.65, 29.74°)
OKLab	oklab(52.91% 0.1366 0.0629)
OKLCH	oklch(52.91% 0.15 24.7)
XYZ	xyz(20.9820, 13.3598, 5.8878)
Luminance	0.1336 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B23F3D #3DB0B2

analogous

#B23D75 #B23F3D #B27A3D

triadic

#B23F3D #3DB23F #3F3DB2

tetradic

#B23F3D #75B23D #3DB0B2 #7A3DB2

square

#B23F3D #75B23D #3DB0B2 #7A3DB2

split-complementary

#B23F3D #3DB27A #3D75B2

monochromatic

#571F1E #842F2D #B23F3D #C96563 #D99290

Accessibility & contrast

On white

5.72

#B23F3D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#B23F3D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B23F3D

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B23F3D	#FFFFFF	#000000	##FFFFFF
##B23F3D	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D573C

Deuteranopia (green-blind)

#7A6F3A

Tritanopia (blue-blind)

#C32540

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #b23f3d;
/* rgb */ color: rgb(178, 63, 61);
/* oklch */ color: oklch(52.9% 0.150 24.7);

Tailwind

colors: {
  custom: {
    50: '#d07a72',
    500: '#b23f3d',
    950: '#000000',
  },
}

SCSS

$custom: #b23f3d;
$custom-light: #d07a72;
$custom-dark: #000000;

JSON

{
  "hex": "#b23f3d",
  "rgb": {
    "r": 178,
    "g": 63,
    "b": 61
  },
  "hsl": {
    "h": 1.026,
    "s": 48.954,
    "l": 46.863
  },
  "oklch": {
    "l": 0.52912,
    "c": 0.15036,
    "h": 24.7
  },
  "luminance": 0.13357
}

Semantic roles & 50–950 ramp

primary

#B23F3D

secondary

#87C3C4

accent

#D6D94F

background

#FDF7F6

surface

#FBEEEC

border

#D4C9C7

text

#150A08

muted

#837C7B

Preview Lab

Preview with #B23F3D

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →